Gina Johnson
Sleep is essential for physical and mental health, longevity, and quality of life. Working out on low sleep can increase your risk of injury, lower your physical performance, and impair your recovery and muscle growth. However, moderate workouts after a night of poor sleep can give you a boost in energy and improve your mood. If you are sleep-deprived, opt for low-intensity workouts like yoga, a gentle jog, or a stationary bike ride. If you are well-rested, a morning workout can boost alertness more than caffeine, but a poor night's sleep may make it harder to motivate yourself to work out.
| Characteristics | Values |
|---|---|
| Effect on motivation | Low sleep may decrease motivation to work out |
| Effect on performance | Low sleep may decrease physical performance |
| Effect on recovery | Recovery may be impaired |
| Effect on muscle growth | Muscle growth may be impaired |
| Effect on weight loss | Weight loss goals may be undermined |
| Risk of injury | Risk of injury may increase |
| Effect on energy levels | Energy levels may decrease |
| Effect on mood | Mood may be negatively impacted |
| Effect on reaction time | Reaction time may decrease |
| Effect on concentration | Concentration may decrease |
| Effect on sleep | Sleep quality may improve |
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What You'll Learn
Working out on low sleep increases the risk of injuries
Sleep is crucial to physical and mental health, longevity, quality of life, and your gains, which are the most important aspects of recovery. While it is not necessary to get the recommended 7-9 hours of sleep every single night, it is important to prioritize sleep and not compromise it for a workout.
Working out on low sleep will diminish your exercise performance, undermine weight loss goals, and limit gains from the previous day's workout. You will likely feel low on motivation after a bad night's sleep, and you might procrastinate your workout. Even if you do muster up the motivation to work out, you may find it harder to push through a tough strength session or stick to your training plan. You could end up doing a poor-quality workout, which can lead to you skipping future workouts or cramming in extra sessions to make up for the poor-quality ones, which can lead to overtraining injuries.
Exercising when sleep-deprived can also increase your risk of injury. You will have less energy to perform a good quality workout, and your body burns fewer calories when it is sleep-deprived. Your form while doing heavy squats, for example, might get sloppy, which can lead to accidents and injuries. You are also more vulnerable to mood disturbances and reduced reaction times, which can result in a greater risk of accidents due to a reduced capacity to respond quickly.
Therefore, if you've been working out on little sleep for an extended period of time, it might be smart to skip an early morning workout. Instead, opt for short, low-risk, or low-intensity workouts like yoga, a gentle jog, or a stationary bike over a HIIT class, rock climbing, or strength training.
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It is advised to opt for low-intensity workouts
Sleep is crucial to your physical and mental health, as well as your longevity and quality of life. While it is important to prioritise getting a good night's sleep, there are times when we don't get the recommended 7-9 hours of sleep. In such cases, it is advised to opt for low-intensity workouts or even skip the workout altogether.
Exercising when sleep-deprived can increase your risk of injury, lower your physical performance and motivation, and impair your recovery and muscle growth. It can also lead to weight gain and health issues in the long term. Therefore, it is generally recommended to avoid vigorous workouts when you are sleep-deprived.
Low-intensity workouts, on the other hand, can be a good option when you are feeling tired. Examples of low-intensity exercises include yoga, a gentle jog, barre, pilates, or a stationary bike workout. These types of exercises are less likely to cause injury and can still provide some physical and mental health benefits.
Additionally, moderate-intensity aerobic exercise, such as a brisk walk or a light jog, can be beneficial for improving sleep quality. Research has shown that 30 minutes of moderate aerobic exercise can lead to better sleep that very night. This type of exercise increases slow-wave sleep, which is associated with deeper sleep and improved sleep quality.
It is important to listen to your body and assess how you feel after a night of poor sleep. If you are feeling up to it, a light workout might be beneficial. However, if you are feeling extremely tired and unmotivated, it might be best to skip the workout or opt for a gentle walk or stretch instead.
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Lack of sleep can lead to weight gain and health issues
Sleep is crucial to physical and mental health, longevity, quality of life, and your gains. Working out on low sleep will diminish your exercise performance, undermine weight loss goals, increase your risk of injury, and limit gains from the previous day's workout.
A lack of sleep can affect your workout and, in the long term, can lead to weight gain and health issues. When you're sleep-deprived, you might not be concentrating, which can lead to accidents and injuries. Sleep deprivation is linked to significant changes in energy, fatigue, and depression, and can cause mood disturbances and reduced reaction times. It can also increase your risk of injury, lower your physical performance and motivation, and impair your recovery and muscle growth.
One study showed that sleep deprivation can lead to an increase in the "hunger hormone" ghrelin and a decrease in the "satiety hormone" leptin, resulting in an increased feeding drive. Sleep-deprived people tend to eat more calories and choose unhealthier options such as excess carbohydrates. Another common cause of both weight gain and poor sleep is stress. Establishing healthy sleep patterns can help address some of the causes of weight gain, like hormonal changes and stress.
If you're sleep-deprived, it's better to opt for short, low-risk, or low-intensity workouts like yoga, a gentle jog, or a stationary bike over a HIIT class, rock climbing, or strength training.
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Working out in the morning after a bad night's sleep can be beneficial
A study from the University of Georgia found that participants who engaged in a 10-minute morning workout after a night of sleep deprivation experienced increased alertness, similar to the effects of 50 mg of caffeine. This suggests that a short, moderate-intensity workout in the morning can be beneficial for enhancing alertness and cognitive function. Additionally, regular exercise has been linked to better sleep quality, as it helps regulate the body's internal clock and promotes relaxation.
However, it's important to consider the type of workout and the time of day. Low-intensity workouts like yoga, gentle jogging, or stationary biking are generally recommended after a night of poor sleep. High-intensity workouts, such as HIIT or strength training, may increase the risk of injury and could be detrimental to recovery.
Furthermore, it's essential to prioritize sleep and not make working out on low sleep a regular occurrence. Chronic sleep deprivation can negatively impact nearly every part of your body and increase stress levels, leading to potential health issues. If you find yourself consistently lacking sleep, it may be best to skip the early morning workout and focus on getting adequate rest.
In summary, while working out in the morning after an occasional bad night's sleep can provide some benefits, it's important to prioritize sleep and adjust your workout intensity and duration accordingly.
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Exercise can help improve sleep
While working out on low sleep is generally not recommended due to the increased risk of injury and reduced physical performance, exercise can indeed help improve sleep quality.
Regular physical activity has been found to improve sleep quality and reduce sleep disorders, such as insomnia. Studies have shown that moderate-intensity exercises, in particular, are effective in improving sleep. This includes activities such as yoga, pilates, barre, gentle cardio, and moderate aerobic exercise. Engaging in at least 30 minutes of such exercises can lead to a better night's sleep. Additionally, exercising helps maintain your body's internal clock, or circadian rhythm, by circulating drowsiness-inducing chemicals like adenosine and promoting a healthy sleep cycle.
Exercising increases the amount of slow-wave sleep, which refers to deep sleep where the brain and body rejuvenate. It also helps stabilize your mood and reduce anxiety, making it easier to fall asleep. The release of endorphins during exercise can create a level of brain activity that keeps some people awake, so it is recommended to exercise at least 1-2 hours before bedtime to allow endorphin levels to decrease and give the brain time to wind down.
Overall, exercise and sleep have a bidirectional relationship. While a good night's sleep can improve motivation and energy levels for physical activity, regular exercise can also enhance sleep quality and promote overall well-being.
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Frequently asked questions
It depends on how much sleep you've had and how you feel. If you've had a few nights of bad sleep, you may want to skip your workout or do a lighter, shorter, or lower-intensity workout. If you've had one night of bad sleep, you might actually benefit from a short, low-intensity morning workout.
Low sleep can increase your risk of injury, lower your physical performance, and impair your recovery and muscle growth. You'll likely feel less motivated to work out and may end up skipping future workouts or overcompensating, which can lead to overtraining injuries.
Yoga, a gentle jog, a stationary bike workout, pilates, barre, and moderate aerobic exercise are all good options for low-intensity workouts.
Light to moderate-intensity workouts 1-2 hours before bedtime can help you fall asleep faster and improve your sleep quality. However, if you have trouble falling asleep, you may want to avoid raising your heart rate too close to bedtime.
